The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 02, 2024

Filed:

Mar. 30, 2021
Applicant:

Piaggio & C. S.p.a., Pontedera, IT;

Inventors:

Francesco Giari, Pontedera, IT;

Marcello Fiaccavento, Pontedera, IT;

Assignee:

PIAGGIO & C. S.P.A., Pontedera, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 13/00 (2006.01); F01M 11/00 (2006.01);
U.S. Cl.
CPC ...
F01M 13/0011 (2013.01); F01M 11/0004 (2013.01); F01M 2011/0033 (2013.01); F01M 2011/0045 (2013.01); F01M 2013/0038 (2013.01);
Abstract

A lubrication system for internal combustion engines, in particular for vehicles with a rideable saddle, said system comprising a crank chamber in which at least one connecting rod is accommodated, and a basin or pan for collecting a lubricating liquid, wherein said crank chamber and said collection basin or pan are put in mutual communication by means of a first opening obtained in said crank chamber, wherein the flow of said lubricating liquid through said first opening from said crank chamber into said basin is adjusted by means of a first adjusting element adapted to be switched to an open position so as to allow the discharge of said lubricating liquid from said crank chamber into said collection basin or pan at a predetermined switching gas pressure value inside said crank chamber.


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